Finding the Third Proportional to 86,413.50 and 134,118

Step by Step Solution

1. Step 1: Write the proportion equation
   86,413.50 : 134,118 = 134,118 : x
2. Step 2: Convert to fraction form
   86,413.50/134,118 = 134,118/x
3. Step 3: Cross multiply
   86,413.50x = 134,118 × 134,118
4. Step 4: Simplify right side
   86,413.50x = 17,987,637,924
5. Step 5: Solve for x
   x = 17,987,637,924/86,413.50
6. Step 6: Final answer
   x = 208,157.73